a-a a-b aaa aab aag aan aao aar aas aav ab- aba abb abg abn abo abr abs abv ag- aga agb agg agn ago agr ags agv an- ana anb ang ann ano anr ans anv aoa aob aog aon aoo aor aos aov ar- ara arb arg arn aro arr ars arv as- asa asb asg asn aso asr ass asv av- ava avb avg avn avo avr avs baa bab bag ban bao bar bas bav bba bbb bbg bbn bbo bbr bbs bga bgb bgg bgn bgo bgr bgs bgv bna bnb bng bnn bno bnr bns bnv boa bob bog bon boo bor bos bov bra brb brg brn bro brr brs brv bsa bsb bsg bsn bso bsr bss bsv bva bvb bvg bvn bvo bvr bvs bvv gaa gab gag gan gao gar gas gav gba gbg gbn gbo gbr gbs gbv gga ggb ggg ggn ggo ggr ggs ggv gna gnb gnn gno gnr gns gnv goa gob gog gon goo gor gos gov gra grb grg grn gro grr grs grv gsa gsb gsg gsn gso gsr gss gsv gva gvb gvg gvn gvo gvr gvs naa nab nag nan nao nar nas nav nba nbb nbg nbn nbo nbr nbs nbv nga ngb ngg ngn ngo ngs nna nnb nng nnn nno nns nnv no- noa nob nog non noo nor nos nov nra nrb nrg nrn nro nrr nrs nrv nsa nsb nsg nsn nso nsr nss nsv nva nvb nvg nvn nvv oaa oab oag oan oao oar oas oav ob- oba obb obg obn obo obr obs obv oga ogg ogn ogo ogs on- ona onb ong onn ono onr ons oo- ooa oob oog oon ooo oor oos oov or- ora orb org orn oro orr ors orv os- osa osb osg osn oso osr oss osv ov- ova ovb ovo ovs ovv ra- raa rab rag ran rao rar ras rav rba rbb rbg rbn rbo rbr rbs rga rgb rgg rgn rgo rgr rgs rgv rna rnb rng rnn rno rnr rns rnv roa rob rog ron roo ror ros rov rra rrb rrg rrn rrr rrs rsa rsb rsg rsn rso rsr rss rsv rva rvb rvg rvn rvo rvr rvs rvv saa sab sag san sao sar sas sav sba sbb sbg sbn sbo sbr sbs sbv sga sgb sgg sgn sgo sgr sgs sgv sna snb sng snn sno snr sns snv soa sob sog son soo sor sos sov sr- sra srb srg srn sro srr srs srv ss- ssa ssb ssg ssn sso ssr sss ssv sva svb svg svn svo svr svs svv v-a vaa vab vag van vao var vas vav vba vbg vbo vbr vbs vbv vga vgg vgn vgo vgr vgs vn- vna vng vno vnr vns vnv voa vob vog von voo vor vos vov vra vrb vrg vrn vrr vrs vsa vsb vsg vsn vso vsr vss vsv vva vvb vvg vvo vvr vvs vvv

-ana aaaa aaab aaan aaar aaas aaav aaba aabb aana aang aaon aaoo aara aaro aars aasa aass aava abaa abab abag aban abar abas abb- abba abbb abbo abbr abbs aboa abob abon aboo abor abos abov abra abro abrs abs- absa abss abva ag-o agag agan agao agar agas agav agba agbo agga agna agno agns agob agog agon agoo agos agra agro agsa agsg agva ana- anaa anab anag anan anao anar anas anba anbb anbo ang- anga ango angs anna annb anno anns ano- anoa anon anor anos ansa anso aoba aonb aono aora aorb aorn aors aoss arab arag aran arar aras arba arbs arga argb argo args arna arng arno arns aroa arob aron aroo aror aros arr- arra arrg arro arrr arrs ars- arsa arso arva arvn arvo asaa asab asag asan asao asar asas asba asbo asno asob asog ason asor asos asra asrg asro asrs assa assn asso assr asss asva asvs avab avan avao avar avas avgo avgs avon avor avos avra avro avva avvo baaa baan baar baas baba babb babo babr babs baga bagg bagn bago bags bana bang bann bano banr bans baon baos bar- bara barb barg barn baro barr bars basa baso bass bava bbas bbbb bbbs bbga bbng bbrg bgan bggs bgon bnas bnor bnrr bnss boab boag boan boar boas boba bobb bobo bobs boga bogg bogo bogs bona bong bonn bono bons boob boog boon boor boos bor- bora borg born boro borr bors bosa bosn boso boss bova bovo brab brag bran brao bras brav brna brno brns broa brob brog bron broo bror bros brrr brrs brsb brsr bsaa bsas bsgs bsns bson bsos bsra gaar gaas gaba gabb gabo gabr gabs gaga gagg gago gags gana gang gann gano gans gaon gaos gara garb garg garn garo garr gars garv gasa gasb gaso gasr gass gava gbag gban gbas gbbo gbbs gbon gggg ggrn ggss gnaa gnar gnas gnav gnoo gnrr goan goar goas goba gobo gobs goga gogo gogs gon- gona gong gonn gono gons goog goon goor goos gora gorb gorg gorn goro gorr gors goso goss govs grab gran gras grav grbr grob grog gron groo gror gros grov grrr grrs grss gsab gson gsos gvvv naaa naab naag naan naar naas naba nabo nabs naga nago nags nan- nana nanb nang nann nano nans naor naos nara narg narn naro narr nars nas- nasa nasb naso nasr nass nasv nava navo navr navs navv nbaa nbar nbas nbbo ngab ngan ngao ngas ngns ngon ngor ngos ngsn nngn nnnn nnos nnsa nnss noaa noba nobo nobs noga nogg nogo nogs non- nona nong nonn nono nons noo- noob noon nooo noor noos noov nor- nora norb norg norn noro norr nors norv nos- nosa noss nov- nova novo nrab nras nrna nron nrsa nrsv nsaa nsar nsbo nsna nsnr nsos nsra nssa nssb nsso nssr nsss nvss oara oars oass oavs oban obas